NULL Of 254 counties in the state, Starr County is 41st in terms of its size (1,229 square miles). Starr County is in Rio Grande Plains Texas. The total value of 1,000 acres of lakefront homes and property recently listed for sale in Starr County, Texas, was around $700,000. Browse all waterfront property for sale in Starr County on the Land Network to find the marina, lakefront and other recreational property that meets your needs, from waterside land perfect as a retirement investment to existing residential waterfront land and property for hunting, fishing and other outdoor-recreation pursuits! The most common type of land for sale by combined acreage in Starr County is undeveloped land.